16825509

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 9025371

約数列:

[1, 3, 9, 27, 67, 71, 131, 201, 213, 393, 603, 639, 1179, 1809, 1917, 3537, 4757, 8777, 9301, 14271, 26331, 27903, 42813, 78993, 83709, 128439, 236979, 251127, 623167, 1869501, 5608503, 16825509]

約数ペア:

[(1, 16825509), (3, 5608503), (9, 1869501), (27, 623167), (67, 251127), (71, 236979), (131, 128439), (201, 83709), (213, 78993), (393, 42813), (603, 27903), (639, 26331), (1179, 14271), (1809, 9301), (1917, 8777), (3537, 4757)]